EdgeMarc 4576 Enterprise Session Border Controller Installation Guide
3
Feature
Description
Security
A stateful packet inspection firewall is used in combination with a voice
over IP (VoIP) application layer gateway to provide comprehensive “media-
aware” security. The EdgeMarc 4576 also supports IPSec for secure site-
to-site networking.
VoIP aware firewall dynamically provisioning and closing of UDP ports
used for VoIP calls
IPSec: 3DES, SHA-1
NAT/PAT server that hides enterprise LAN topology
Quality of
Service
The EdgeMarc 4576 maximizes WAN link utilization while optimizing voice
quality using prioritization and shaping. Quality of Service features include:
Class based queuing/prioritization
Diffserv marking and policing
Traffic shaping
VoIP call admission control prevents oversubscription of the priority
queue.
Simplified
Troubleshooting
The EdgeMarc 4576 provides passive call quality monitoring statistics for
each VoIP call to enforce SLAs and resolve networking problems that
negatively affect call quality. The call quality monitoring features:
Per call statistics that include mean opinion score (average and
minimum), jitter, latency, and packet loss.
Alarms for poor MOS scores.
Active call count indicators.
Analog Voice
The EdgeMarc 4576 features 24 FXS ports for connecting analog and key
system phones to the network.